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Discover how PEPperPRINT Peptide Microarray products have been used in different fields of research.

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A Quantum Vaccinomics Approach Based on Protein–Protein Interactions

Contreras, Marinela; Artigas-Jerónimo, Sara; Pastor Comín, Juan J.; de la Fuente, José
Jan 2022
10.1007/978-1-0716-1888-2_17
Vaccines are the most effective preventive intervention to reduce the impact of infectious diseases worldwide. In particular, tick-borne diseases represent a growing burden for human and animal health worldwide and vaccines are the most effective and environmentally sound approach for the control of vector infestations and pathogen transmission. However, the development of effective vaccines for the control of tick-borne diseases with combined vector-derived and pathogen-derived antigens is one of the limitations for the development of effective vaccine formulations. Quantum biology arise from findings suggesting that living cells operate under non-trivial features of quantum mechanics, which has been proposed to be involved in DNA mutation biological process. Then, the electronic structure of the molecular interactions behind peptide immunogenicity led to quantum immunology and based on the definition of the photon as a quantum of light, the immune protective epitopes were proposed as the immunological quantum. Recently, a quantum vaccinomics approach was proposed based on the characterization of the immunological quantum to further advance the design of more effective and safe vaccines. In this chapter, we describe methods of the quantum vaccinomics approach based on proteins with key functions in cell interactome and regulome of vector–host–pathogen interactions for the identification by yeast two-hybrid screen and the characterization by in vitro protein–protein interactions and musical scores of protein interacting domains, and the characterization of conserved protective epitopes in protein interacting domains. These results can then be used for the design and production of chimeric protective antigens.

Protein microarrays for COVID-19 research: Biomarker discovery, humoral response, and vaccine targets

Acharjee, Arup; Barpanda, Abhilash; Ren, Jing; Yu, Xiaobo
Jan 2022
10.1201/9781003220787-6
Of all the technological interventions used to probe the COVID-19 biological sample, microarrays have provided unique information about the biology of SARS-CoV-2 infection in the greatest of detail. Protein microarrays are available in various formats such as protein microarray, antibody microarray, and peptide microarrays. These provide an attractive format to study host response against infection, with its straightforward sample preparation strategy and easy result analysis pipelines. Microarray technology either uses antibodies against hundreds of proteins to study host proteins or scans immunogenic peptides of the pathogen in a microarray panel of the pathogen proteome. It can be used to study the humoral immune response against antigenic proteins of the SARS-CoV-2 virus, host proteomic alterations due to the infection. The SARS-CoV-2 peptide array can be used for the accurate detection of antigenic determinants for vaccine design. This chapter summarizes the different types of protein and peptide microarray and their use in COVID-19 biomarker discovery, disease management, vaccine design, etc., for better management of COVID-19.

Genomics-Driven Immunoproteomics: An Integrative Platform to Uncover Important Biomarkers for Human Diseases

Giri, Raghavendra; Qendro, Veneta; Rani, Pooja; Jepchumba, Carren; Bugos, Grace; Stadler, Volker; Han, David K.
Jul 2019
10.1007/978-1-4939-9597-4_21
Genomics-driven immunoproteomics (GDI) is a platform that helps identify antigenic protein targets of mutations and other deoxyribonucleic acid (DNA) variations that are commonly associated with pathological states. This platform utilizes data generated from deep sequencing of exomic DNA or ribonucleic acid (RNA) as input to synthesize mutant peptides into microarrays, which then can be used to detect antigenic proteins that invoke immune response in patients. The technology has been used to detect antigenic targets of multiple sclerosis, an autoimmune disease [1], and cancer to identify mutant proteins that invoke immune response in breast cancer patients [2]. This technology has many potential applications to select genomic changes that are specifically recognized by the immune system in a rapid and efficient manner.

Bacterial inhibitors

Xie, Hua
Jul 2019
Peptides related to certain portions of the arginine deiminase enzyme from the bacterium Streptococcus cristatus are provided that disrupt the formation and composition of biofilms containing the oral pathogen Porphyromonas gingivalis, and also modulate the virulence of P. gingivalis. Pharmaceutical compositions containing such peptides and method of using the same are disclosed.

Combination therapy using inhibitors of human growth and differentiation factor 15 (gdf-15) and immune checkpoint blockers

Wischhusen, Jörg; Haake, Markus; Dummer, Reinhard; MEHLING, Matthias; SCHÄFER, Tina; SELLE, Martina
May 2019

Anti-Trail Antibodies and Methods of Use

Boico, Olga; Tzaban, Salit; Oved, Kfir; Cohen-Dotan, Assaf; Eden, Eran
May 2019
An antibody comprising an antigen recognition domain that binds specifically the extracellular domain of TNF-related apoptosis-inducing ligand (TRAIL) between amino acids 95-155 and/or amino acids 190-210 is disclosed. Uses thereof are also disclosed.

ANTIBODY TARGETING CELL SURFACE DEPOSITED COMPLEMENT PROTEIN C3d AND USE THEREOF

Wiestner, Adrian U.; Skarzynski, Martin W.; Lindorfer, Margaret A.; Taylor, Ronald P.; Rader, Christoph; Vire, Berengere
Feb 2019
An anti-C3d antibody or antibody fragment; method for use thereof to kill cancer cells; and related methods and compositions.

Methods of Selecting Binding Reagents

Mallick, Parag; Egertson, Jarrett
Feb 2019
Methods and systems are provided herein for selecting an affinity reagent which binds a desired peptide epitope in a plurality of sequence contexts. The method relies on obtaining a peptide library, each peptide having the sequence αΧβ, wherein X is the desired peptide epitope, wherein each of a and β comprise an amino acid, using the peptide library to select an affinity reagent.

Novel targets of acinetobacter baumannii

Urwyler, Simon; Haake, Markus; Rudolf, Michael
Jan 2019
The present invention provides antigenic polypeptides expressed during an infection by a pathogenic organism, such as Acinetobacter and compositions comprising these polypeptides. The invention further provides compositions for use in treating, preventing or detecting a bacterial infection, in particular vaccine compositions using the antigenic polypeptides. The invention further provides antibodies directed to said antigenic polypeptides.

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